Study of α-Fe2O3@ ZnO nanoleaves: Morphological and optical study | Zendy

Parastoo Khalili | Zendy; Majid Farahmandjou | Zendy

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Study of α-Fe2O3@ ZnO nanoleaves: Morphological and optical study

Author(s) -

Parastoo Khalili,

Majid Farahmandjou

Publication year - 2020

Publication title -

materials engineering research

Language(s) - English

Resource type - Journals

ISSN - 2630-4503

DOI - 10.25082/mer.2020.01.004

Subject(s) - coprecipitation , wurtzite crystal structure , fourier transform infrared spectroscopy , scanning electron microscope , high resolution transmission electron microscopy , materials science , transmission electron microscopy , analytical chemistry (journal) , nanoparticle , infrared , spectroscopy , nuclear chemistry , zinc , chemical engineering , nanotechnology , optics , chemistry , composite material , metallurgy , chromatography , quantum mechanics , physics , engineering

In this paper, α-Fe2O4@ZnO nanoparticles (NPs) were synthesized by coprecipitation method in the presence of PVP and EG surfactants. The samples were charactrized by x-ray fluorescence (XRF), x-ray diffraction (XRD), scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), and fourier transform infrared spectroscopy (FTIR). The XRD results exhibited rhombohedral α-Fe2O3 and wurtzite structure of ZnO. The SEM images showed that the NPs changed from rod-shape to nanoleaves particles after heat treatment. The TEM studies displayed the formation of Fe2O3@ZnO core-shell of as-synthesized NPs. The stretching vibrations peaks in FTIR in the wavenumber of 532 cm-1 and 473 cm-1 ascribed to the Fe and Zn groups. The XRF data indicated decreasing of the Fe weight percent from 22 %Wt. to 25 %Wt., after heat treatment.

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